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Release record

iOS 9.0.1

Full article
Public release
Recorded milestones
1
Beta cycle
—
Average interval
—
Public release
Sep 23, 2015

Release notes

Overview

Editorial synthesis with inline references and a source ledger when citations are available.

iOS 9.0.1 was a focused maintenance update for devices that could not finish Setup Assistant and for alarms or timers that sometimes failed to sound.[1]

Apple also corrected distorted paused video frames in Safari and Photos and restored cellular data for some devices using a profile-supplied custom APN.[2]

Source ledger

References

Sources are linked to the claims they support. Publication and access dates are shown when available.

  1. About iOS 9 Updates

    Apple Support · 2026-07-30 · iOS 9.0.1 — setup, alarms, and timers

    Back to text ↑
  2. About iOS 9 Updates

    Apple Support · 2026-07-30 · iOS 9.0.1 — paused video and custom APN fixes

    Back to text ↑
  3. About iOS 9 Updates

    Apple Support · 2026-07-30 · iOS 9.0.1

Documented & observed

Changes in this version

Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.

Release changes

Changed in this release

Features, fixes, removals, and regressions first observed in this release record.

bugFix · fixed

Setup Assistant completion fix

documentedconfirmed

Apple corrected a condition that prevented some users from finishing Setup Assistant after the iOS 9 update.

Recorded at Public

  1. [1] About iOS 9 Updates · iOS 9.0.1 — Setup Assistant

bugFix · fixed

Paused video rendering fix

documentedconfirmed

Apple corrected distorted frames that could appear when pausing video in Safari or Photos.

Recorded at Public

  1. [1] About iOS 9 Updates · iOS 9.0.1 — paused video

bugFix · fixed

Alarm and timer audio fix

documentedconfirmed

The update addressed a failure that could leave alarms and timers silent.

Recorded at Public

  1. [1] About iOS 9 Updates · iOS 9.0.1 — alarms and timers

bugFix · fixed

Custom APN cellular-data fix

documentedconfirmed

The release restored cellular data for some users whose custom APN settings came from a configuration profile.

Recorded at Public

  1. [1] About iOS 9 Updates · iOS 9.0.1 — custom APN

Milestones

Release history

Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.

  1. Public release

    Public

    Source-linked recordEditorially verified

    The public iOS 9.0.1 release corrected Setup Assistant, alarm and timer playback, paused-video rendering, and custom-APN cellular data.

    Availability
    available
    Sources
    5 linked
    Open this appearance

Historical context

Cycle comparison

Pace, intervals, and duration compared with earlier releases on the same platform.

Historical avg for .0.1 releases

8 days, 3.0 milestones

Based on 1 previous iOS .0.1 releases

Previous .0.1 releases (iOS)

Previous comparable iOS releases
VersionYearCycleMilestonesAvg. Interval
iOS 5.0.120118d34d

Scroll horizontally to compare every historical field.

Official release notes